JPS648769A - Phase detecting circuit - Google Patents
Phase detecting circuitInfo
- Publication number
- JPS648769A JPS648769A JP63141913A JP14191388A JPS648769A JP S648769 A JPS648769 A JP S648769A JP 63141913 A JP63141913 A JP 63141913A JP 14191388 A JP14191388 A JP 14191388A JP S648769 A JPS648769 A JP S648769A
- Authority
- JP
- Japan
- Prior art keywords
- phase
- osc
- edge
- signal
- detection circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/04—Synchronising
- H04N5/12—Devices in which the synchronising signals are only operative if a phase difference occurs between synchronising and synchronised scanning devices, e.g. flywheel synchronising
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Synchronizing For Television (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Details Of Television Scanning (AREA)
- Manipulation Of Pulses (AREA)
Abstract
PURPOSE: To generate an accurate phase difference signal by generating the phase difference signal based on the difference of a corresponding transition time on the time base when a corresponding transition edge takes place. CONSTITUTION: A phase detection circuit 202 receives a signal 130 and also receives signals MS, SK to decide a transition edge OSC. The phase of the edge OSC is compared with a phase of a signal SYNC having a front edge SYLE by the phase detection circuit 202. A microcomputer 140 of the phase detection circuit 202 generates a phase difference signal PH according to a difference from times when the edges OSC and SYLE are respectively generated. When a timing edge OSC of a phase locked loop circuit 20 is not still in synchronism with the signal SYNC, the phase difference signal filtered by a filter 33 changes signals SK, CT so that the timing edge OSC is generated synchronously with the signal SYNC.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/062,016 US4775890A (en) | 1987-06-11 | 1987-06-11 | Phase detector |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000236952A Division JP3278744B2 (en) | 1987-06-11 | 2000-08-04 | Phase detection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS648769A true JPS648769A (en) | 1989-01-12 |
Family
ID=22039675
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63141913A Pending JPS648769A (en) | 1987-06-11 | 1988-06-10 | Phase detecting circuit |
JP2000236952A Expired - Fee Related JP3278744B2 (en) | 1987-06-11 | 2000-08-04 | Phase detection circuit |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2000236952A Expired - Fee Related JP3278744B2 (en) | 1987-06-11 | 2000-08-04 | Phase detection circuit |
Country Status (8)
Country | Link |
---|---|
US (1) | US4775890A (en) |
EP (1) | EP0295120B1 (en) |
JP (2) | JPS648769A (en) |
KR (1) | KR970005216B1 (en) |
CN (1) | CN1016930B (en) |
DE (1) | DE3851912T2 (en) |
ES (1) | ES2061648T3 (en) |
FI (1) | FI882649A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5203660A (en) * | 1990-08-01 | 1993-04-20 | Takenaka Corporation | Multisory parking space |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0620279B2 (en) * | 1986-08-20 | 1994-03-16 | 松下電器産業株式会社 | Automatic gain control device |
US5075575A (en) * | 1989-12-11 | 1991-12-24 | Fuji Photo Film Co., Ltd. | Externally synchronized programmable device |
US5043653A (en) * | 1990-01-17 | 1991-08-27 | Sundstrand Corporation | Noise filter for zero crossing detector |
US5162910A (en) * | 1990-10-03 | 1992-11-10 | Thomson Consumer Electronics, Inc. | Synchronizing circuit |
JP2551239B2 (en) * | 1990-12-27 | 1996-11-06 | 三菱電機株式会社 | Horizontal oscillation frequency control circuit |
JP3331711B2 (en) * | 1993-11-24 | 2002-10-07 | ソニー株式会社 | Clock signal generator |
US5486867A (en) * | 1993-11-30 | 1996-01-23 | Raytheon Company | High resolution digital phase detector |
US5640523A (en) * | 1994-09-02 | 1997-06-17 | Cypress Semiconductor Corporation | Method and apparatus for a pulsed tri-state phase detector for reduced jitter clock recovery |
JP3358432B2 (en) * | 1996-02-29 | 2002-12-16 | ソニー株式会社 | Clock signal generating apparatus and method |
US6407599B1 (en) | 2000-05-10 | 2002-06-18 | Eastman Kodak Company | Method and apparatus for determining a digital phase shift in a signal |
US6868135B1 (en) | 2000-05-18 | 2005-03-15 | Eastman Kodak Company | Method and apparatus for correcting for a phase shift between a transmitter and a receiver |
US7372928B1 (en) | 2002-11-15 | 2008-05-13 | Cypress Semiconductor Corporation | Method and system of cycle slip framing in a deserializer |
US7824703B2 (en) | 2006-02-01 | 2010-11-02 | Warsaw Orthopedics, Inc. | Medical implants with reservoir(s), and materials preparable from same |
CN102316245B (en) * | 2010-07-09 | 2013-08-21 | 北京创毅视讯科技有限公司 | Method and device for adjusting local line synchronous clock of analog television receiver |
US8585050B2 (en) | 2011-12-06 | 2013-11-19 | Eastman Kodak Company | Combined ultrasonic-based multifeed detection system and sound-based damage detection system |
CN106571813B (en) * | 2015-10-09 | 2023-06-02 | 张伟林 | Edge type high-resistance digital phase discriminator with brand new design |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61255171A (en) * | 1985-05-07 | 1986-11-12 | Toshiba Corp | Digital horizontally synchronous circuit |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4264866A (en) * | 1979-01-04 | 1981-04-28 | Ladislav Benes | Frequency and phase comparator |
US4277754A (en) * | 1979-10-23 | 1981-07-07 | Matsushita Electric Industrial Co., Ltd. | Digital frequency-phase comparator |
US4333055A (en) * | 1979-11-23 | 1982-06-01 | Trw Inc. | Digital phase-frequency detector |
US4639780A (en) * | 1985-04-01 | 1987-01-27 | Rca Corporation | Television synchronizing apparatus |
US4636861A (en) * | 1985-04-01 | 1987-01-13 | Rca Corporation | Two-loop line deflection system |
-
1987
- 1987-06-11 US US07/062,016 patent/US4775890A/en not_active Expired - Lifetime
-
1988
- 1988-06-03 FI FI882649A patent/FI882649A/en not_active Application Discontinuation
- 1988-06-09 CN CN88103537A patent/CN1016930B/en not_active Expired
- 1988-06-10 DE DE3851912T patent/DE3851912T2/en not_active Expired - Fee Related
- 1988-06-10 EP EP88305314A patent/EP0295120B1/en not_active Expired - Lifetime
- 1988-06-10 ES ES88305314T patent/ES2061648T3/en not_active Expired - Lifetime
- 1988-06-10 JP JP63141913A patent/JPS648769A/en active Pending
- 1988-06-11 KR KR1019880007040A patent/KR970005216B1/en not_active IP Right Cessation
-
2000
- 2000-08-04 JP JP2000236952A patent/JP3278744B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61255171A (en) * | 1985-05-07 | 1986-11-12 | Toshiba Corp | Digital horizontally synchronous circuit |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5203660A (en) * | 1990-08-01 | 1993-04-20 | Takenaka Corporation | Multisory parking space |
Also Published As
Publication number | Publication date |
---|---|
KR970005216B1 (en) | 1997-04-14 |
ES2061648T3 (en) | 1994-12-16 |
FI882649A (en) | 1988-12-12 |
JP3278744B2 (en) | 2002-04-30 |
KR890001350A (en) | 1989-03-20 |
FI882649A0 (en) | 1988-06-03 |
EP0295120B1 (en) | 1994-10-26 |
EP0295120A2 (en) | 1988-12-14 |
EP0295120A3 (en) | 1990-12-27 |
DE3851912T2 (en) | 1995-05-11 |
US4775890A (en) | 1988-10-04 |
CN88103537A (en) | 1988-12-28 |
JP2001085992A (en) | 2001-03-30 |
DE3851912D1 (en) | 1994-12-01 |
CN1016930B (en) | 1992-06-03 |
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